Glossary
This glossary covers words that you will come across on this website.
a | b | c | d | e | f | g | h | i | j | k | l | m | n | o | p | q | r | s | t | u | v | w | x | y | z | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
- Brown Dwarf
-
These are sub-stellar objects with a lower mass than necessary to maintain hydrogen-burning nuclear fusion reactions in thier cores. However, they have fully convective surfaces and interiors.
- Bulge
-
The bulge of a spiral galaxy is the central concentration of stars.